-//===- ARMInstrFormats.td - ARM Instruction Formats ----------*- tablegen -*-=//
+//===-- ARMInstrFormats.td - ARM Instruction Formats -------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
let Inst{11-4} = 0b00001001;
let Inst{3-0} = Rt2;
+ let Unpredictable{11-8} = 0b1111;
let DecoderMethod = "DecodeSwap";
}
let Inst{7-4} = 0b0111;
let Inst{9-8} = 0b00;
let Inst{27-20} = opcod;
+
+ let Unpredictable{9-8} = 0b11;
}
// Misc Arithmetic instructions.
let Inst{3-0} = Rm;
}
+// Division instructions.
+class ADivA1I<bits<3> opcod, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm, list<dag> pattern>
+ : I<oops, iops, AddrModeNone, 4, IndexModeNone, ArithMiscFrm, itin,
+ opc, asm, "", pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{27-23} = 0b01110;
+ let Inst{22-20} = opcod;
+ let Inst{19-16} = Rd;
+ let Inst{15-12} = 0b1111;
+ let Inst{11-8} = Rm;
+ let Inst{7-4} = 0b0001;
+ let Inst{3-0} = Rn;
+}
+
// PKH instructions
def PKHLSLAsmOperand : ImmAsmOperand {
let Name = "PKHLSLImm";
class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
list<Predicate> Predicates = [IsARM, HasV5TE];
}
+// ARMV5MOPat - Same as ARMV5TEPat with UseMulOps.
+class ARMV5MOPat<dag pattern, dag result> : Pat<pattern, result> {
+ list<Predicate> Predicates = [IsARM, HasV5TE, UseMulOps];
+}
class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
list<Predicate> Predicates = [IsARM, HasV6];
}
: Thumb2XI<oops, iops, AddrModeNone, 0, itin, asm, "", pattern>;
// Move to/from coprocessor instructions
-class T2Cop<bits<4> opc, dag oops, dag iops, string asm, list<dag> pattern>
- : T2XI <oops, iops, NoItinerary, asm, pattern>, Requires<[IsThumb2]> {
+class T2Cop<bits<4> opc, dag oops, dag iops, string opcstr, string asm,
+ list<dag> pattern>
+ : T2I <oops, iops, NoItinerary, opcstr, asm, pattern>, Requires<[IsThumb2]> {
let Inst{31-28} = opc;
}
let Inst{15-12} = Dd{3-0};
let Inst{7-0} = addr{7-0}; // imm8
- // TODO: Mark the instructions with the appropriate subtarget info.
let Inst{27-24} = opcod1;
let Inst{21-20} = opcod2;
let Inst{11-9} = 0b101;
let Inst{15-12} = Sd{4-1};
let Inst{7-0} = addr{7-0}; // imm8
- // TODO: Mark the instructions with the appropriate subtarget info.
let Inst{27-24} = opcod1;
let Inst{21-20} = opcod2;
let Inst{11-9} = 0b101;
}
// Load / store multiple
+
+// Unknown precision
+class AXXI4<dag oops, dag iops, IndexMode im,
+ string asm, string cstr, list<dag> pattern>
+ : VFPXI<oops, iops, AddrMode4, 4, im,
+ VFPLdStFrm, NoItinerary, asm, cstr, pattern> {
+ // Instruction operands.
+ bits<4> Rn;
+ bits<13> regs;
+
+ // Encode instruction operands.
+ let Inst{19-16} = Rn;
+ let Inst{22} = 0;
+ let Inst{15-12} = regs{11-8};
+ let Inst{7-1} = regs{7-1};
+
+ let Inst{27-25} = 0b110;
+ let Inst{11-8} = 0b1011;
+ let Inst{0} = 1;
+}
+
+// Double precision
class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
string asm, string cstr, list<dag> pattern>
: VFPXI<oops, iops, AddrMode4, 4, im,
let Inst{19-16} = Rn;
let Inst{22} = regs{12};
let Inst{15-12} = regs{11-8};
- let Inst{7-0} = regs{7-0};
+ let Inst{7-1} = regs{7-1};
- // TODO: Mark the instructions with the appropriate subtarget info.
let Inst{27-25} = 0b110;
let Inst{11-9} = 0b101;
let Inst{8} = 1; // Double precision
+ let Inst{0} = 0;
}
+// Single Precision
class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
string asm, string cstr, list<dag> pattern>
: VFPXI<oops, iops, AddrMode4, 4, im,
let Inst{15-12} = regs{12-9};
let Inst{7-0} = regs{7-0};
- // TODO: Mark the instructions with the appropriate subtarget info.
let Inst{27-25} = 0b110;
let Inst{11-9} = 0b101;
let Inst{8} = 0; // Single precision
let Inst{4} = opcod5;
}
+// Double precision, unary, not-predicated
+class ADuInp<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
+ bit opcod5, dag oops, dag iops, InstrItinClass itin,
+ string asm, list<dag> pattern>
+ : VFPXI<oops, iops, AddrModeNone, 4, IndexModeNone, VFPUnaryFrm, itin, asm, "", pattern> {
+ // Instruction operands.
+ bits<5> Dd;
+ bits<5> Dm;
+
+ let Inst{31-28} = 0b1111;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{15-12} = Dd{3-0};
+ let Inst{22} = Dd{4};
+
+ let Inst{27-23} = opcod1;
+ let Inst{21-20} = opcod2;
+ let Inst{19-16} = opcod3;
+ let Inst{11-9} = 0b101;
+ let Inst{8} = 1; // Double precision
+ let Inst{7-6} = opcod4;
+ let Inst{4} = opcod5;
+}
+
// Double precision, binary
class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
dag iops, InstrItinClass itin, string opc, string asm,
let Inst{4} = op4;
}
-// Single precision, unary
+// FP, binary, not predicated
+class ADbInp<bits<5> opcod1, bits<2> opcod2, bit opcod3, dag oops, dag iops,
+ InstrItinClass itin, string asm, list<dag> pattern>
+ : VFPXI<oops, iops, AddrModeNone, 4, IndexModeNone, VFPBinaryFrm, itin,
+ asm, "", pattern>
+{
+ // Instruction operands.
+ bits<5> Dd;
+ bits<5> Dn;
+ bits<5> Dm;
+
+ let Inst{31-28} = 0b1111;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{19-16} = Dn{3-0};
+ let Inst{7} = Dn{4};
+ let Inst{15-12} = Dd{3-0};
+ let Inst{22} = Dd{4};
+
+ let Inst{27-23} = opcod1;
+ let Inst{21-20} = opcod2;
+ let Inst{11-9} = 0b101;
+ let Inst{8} = 1; // double precision
+ let Inst{6} = opcod3;
+ let Inst{4} = 0;
+}
+
+// Single precision, unary, predicated
class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
string asm, list<dag> pattern>
let Inst{4} = opcod5;
}
+// Single precision, unary, non-predicated
+class ASuInp<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
+ bit opcod5, dag oops, dag iops, InstrItinClass itin,
+ string asm, list<dag> pattern>
+ : VFPXI<oops, iops, AddrModeNone, 4, IndexModeNone,
+ VFPUnaryFrm, itin, asm, "", pattern> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Sm;
+
+ let Inst{31-28} = 0b1111;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+
+ let Inst{27-23} = opcod1;
+ let Inst{21-20} = opcod2;
+ let Inst{19-16} = opcod3;
+ let Inst{11-9} = 0b101;
+ let Inst{8} = 0; // Single precision
+ let Inst{7-6} = opcod4;
+ let Inst{4} = opcod5;
+}
+
// Single precision unary, if no NEON. Same as ASuI except not available if
// NEON is enabled.
class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
let Inst{4} = op4;
}
+// Single precision, binary, not predicated
+class ASbInp<bits<5> opcod1, bits<2> opcod2, bit opcod3, dag oops, dag iops,
+ InstrItinClass itin, string asm, list<dag> pattern>
+ : VFPXI<oops, iops, AddrModeNone, 4, IndexModeNone,
+ VFPBinaryFrm, itin, asm, "", pattern>
+{
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Sn;
+ bits<5> Sm;
+
+ let Inst{31-28} = 0b1111;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+ let Inst{19-16} = Sn{4-1};
+ let Inst{7} = Sn{0};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+
+ let Inst{27-23} = opcod1;
+ let Inst{21-20} = opcod2;
+ let Inst{11-9} = 0b101;
+ let Inst{8} = 0; // Single precision
+ let Inst{6} = opcod3;
+ let Inst{4} = 0;
+}
+
// Single precision binary, if no NEON. Same as ASbI except not available if
// NEON is enabled.
class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
string opc, string dt, string asm, string cstr, list<dag> pattern>
: N3VCommon<op24, op23, op21_20, op11_8, op6, op4,
oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
-
// Instruction operands.
bits<5> Vd;
bits<5> Vn;
projects / oota-llvm.git / blobdiff